{"id":5595,"date":"2024-04-15T02:15:54","date_gmt":"2024-04-15T02:15:54","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=5595"},"modified":"2024-04-15T02:15:54","modified_gmt":"2024-04-15T02:15:54","slug":"rock-salt-is-a-mineral-containing-a-potassium-b-magnesium-c-sodium-d-iron","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/rock-salt-is-a-mineral-containing-a-potassium-b-magnesium-c-sodium-d-iron\/","title":{"rendered":"Rock salt is a mineral containing A. potassium B. magnesium C. sodium D. iron"},"content":{"rendered":"<p>[amp_mcq option1=&#8221;potassium&#8221; option2=&#8221;magnesium&#8221; option3=&#8221;sodium&#8221; option4=&#8221;iron&#8221; correct=&#8221;option3&#8243;]<!--more--><\/p>\n<p>The correct answer is C. sodium.<\/p>\n<p>Rock salt is a mineral composed of sodium chloride (NaCl). It is the most common salt in the world and is used in a variety of applications, including food, water treatment, and road de-icing.<\/p>\n<p>Potassium is a mineral that is found in many foods, including fruits, vegetables, and meat. It is an essential nutrient for human health and is involved in a variety of bodily functions, including muscle contraction, nerve function, and blood pressure regulation.<\/p>\n<p>Magnesium is a mineral that is found in many foods, including nuts, seeds, and whole grains. It is an essential nutrient for human health and is involved in a variety of bodily functions, including muscle contraction, nerve function, and energy production.<\/p>\n<p>Iron is a mineral that is found in many foods, including meat, poultry, fish, and beans. It is an essential nutrient for human health and is involved in a variety of bodily functions, including blood production, oxygen transport, and energy production.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[amp_mcq option1=&#8221;potassium&#8221; option2=&#8221;magnesium&#8221; option3=&#8221;sodium&#8221; option4=&#8221;iron&#8221; correct=&#8221;option3&#8243;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[638],"tags":[],"class_list":["post-5595","post","type-post","status-publish","format-standard","hentry","category-chemistry-in-everyday-life","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rock salt is a mineral containing A. potassium B. magnesium C. sodium D. iron<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/rock-salt-is-a-mineral-containing-a-potassium-b-magnesium-c-sodium-d-iron\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rock salt is a mineral containing A. potassium B. magnesium C. sodium D. iron\" \/>\n<meta property=\"og:description\" content=\"[amp_mcq option1=&#8221;potassium&#8221; 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